package TestDemo;

class A {
    public int a;
    A(int a) {
        System.out.println("createA");
    }
}

class B extends A {
    public int b;

    B() {
        super(10);
        System.out.println("createB");
    }

}



public class TestDemo1 {
    public static void main(String[] args) {
        B b = new B();
    }
}
